
public class Balloon extends Sphere implements Stretchable {
	private String color;

	public Balloon(String color, float radius) {
		super(radius);

		this.color = color;
	}

	public void resize(float factor) {
		this.R = this.R * factor;
	}

	public String getColor() {
		return this.color;
	}

	@Override
	public String toString() {
		return this.color + " balloon";
	}
}
